Results 81 to 90 of about 423,321 (249)

Experimental and numerical studies for the performance verification of post-installed anchors used in electrical cabinet fixation

Journal of Asian Architecture and Building Engineering
Most of the electrical equipment responsible for the control within a power plant is configured in cabinet form and fixed using post-installed anchors.
Sang-Moon Lee, Il-Wha Lee, Woo-Young Jung   +2 more
doaj   +1 more source

Unmanned Aerial Vehicle-Based Structural Health Monitoring and Computer Vision-Aided Procedure for Seismic Safety Measures of Linear Infrastructures

Sensors
Computer vision in the structural health monitoring (SHM) field has become popular, especially for processing unmanned aerial vehicle (UAV) data, but still has limitations both in experimental testing and in practical applications.
Luna Ngeljaratan, Elif Ecem Bas, Mohamed A. Moustafa   +2 more
doaj   +1 more source

Adaptation of a modern medium helicopter (Sikorsky S-76) to higher harmonic control [PDF]

, 1985
Sikorsky Aircraft has performed analytical studies, design analyses, and risk reduction tests have been performed for Higher Harmonic Control (HHC) on the S-76. The S-76 is an 8 to 10,000 lb helicopter which cruises at 145 kts.
Davis, M. W., Kottapalli, S. B. R., Oleary, J. J.   +2 more
core   +1 more source

A note on boundary-condition simulation in the dynamic testing of spacecraft structures [PDF]

Spacecraft structures tested by sine-sweep vibration in boundary-condition ...
Gayman, W. H.
core   +1 more source

Passive Aeroelastic Tailored Wing Modal Test Using the Fixed Base Correction Method [PDF]

In modal testing and finite element model correlation, analysts desire modal results using free-free or rigid boundary conditions to ease comparisons of test versus analytical data.
JG Beliveau, JM Sinapius, JR Crowley, KL Napolitano, KL Napolitano, KL Napolitano, KL Napolitano, M Imregun, MS Allen, NC Yoder, RL Mayes, RL Mayes, TG Carne, U Fullekrug   +13 more
core   +2 more sources

Seismic Shake Table Test Plan

, 2021
Elena Kalinina, Douglas Ammerman, Lucas Lujan   +2 more
openaire   +2 more sources

Seismic Performance of Anchored Brick Veneer [PDF]

, 2009
A study was conducted on the out-of-plane seismic performance of anchored brick veneer with wood-frame backup wall systems, to evaluate prescriptive design requirements and current construction practices.
LaFave, James M., Reneckis, Dziugas Joseph   +1 more
core  

Combined Qualification Vibration Testing and Fixed Base Modal Testing Utilizing a Fixed Based Correction Method [PDF]

Vibration testing spaceflight hardware is a vital, but time consuming and expensive endeavor. Traditionally modal tests are performed at the component, subassembly, or system level, preferably free-free with mass loaded interfaces or fixed base on a ...
Akers, James, Suarez, Vicente, Winkel, James   +2 more
core   +1 more source

Experimental Evaluation of RC Structures with Brick Infills for Vertical Forest Adaptation in Seismic Regions

Fibers
Existing Mediterranean reinforced concrete buildings with masonry infills exhibit critical seismic vulnerabilities, yet real-time damage detection capabilities remain limited.
Theodoros Rousakis, Vachan Vanian, Martha Lappa, Adamantis G. Zapris, Ioannis P. Xynopoulos, Maristella Voutetaki, Stefanos Kellis, George Sapidis, Maria Naoum, Nikos Papadopoulos, Violetta K. Kytinou, Martha Karabini, Constantin E. Chalioris, Athanasia K. Thomoglou, Emmanouil Golias   +14 more
doaj   +1 more source

Correlation of AH-1G airframe test data with a NASTRAN mathematical model [PDF]

Test data was provided for evaluating a mathematical vibration model of the Bell AH-1G helicopter airframe. The math model was developed and analyzed using the NASTRAN structural analysis computer program. Data from static and dynamic tests were used for
Berry, V. L., Cronkhite, J. D.
core   +1 more source